There is more than one artist under this name:

1) MISO (born Kim Miso in 1992) is a South Korean R&B singer and producer. Miso spent her childhood in England, but she’s now living in South Korea. Her songs are characterized by a very peculiar modern and soft beat. Her name has often been associated with artists like DEAN and she has worked with CRUSH too.
https://soundcloud.com/misomusic

2) MiSO (미소) (born Kim Mi So (김미소) in February 4, 1995) is a South Korean pop-singer.